Granted Patent
Utility
US 4,520,149 · App. 06/557,096
Elastomer compositions
Inventor:
Michael D. Golder
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Dec 1, 1983
Inventor
Michael D. Golder
Assignee (at issue)
GAF Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.